A lot of people think of earth's orbit around the sun as being perfectly circular, as smooth and as regular as, say, the way that hands move on a well-made watch, but it just doesn't work that way.
很多人认为地球绕太阳的轨道是完美的圆形，就像手在一块制作精良的手表上移动那样平滑、有规则，但事实并非如此。
As an example, say you have an item that you want to move in a circular orbit around the screen.
例如，假设想要有一个在屏幕中沿着圆形轨迹运动的项。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit, drawing the particle first towards the advancing wave.
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，先把微粒拉向前移动的海浪。
Slowly move the tips of your fingers around your eyes in a slow, circular motion. After a minute, move down to your mouth, then to your neck and the back of your head.
用指尖慢慢在眼眶周围打圈，一分钟后，手指下移到嘴边，再到颈部，最后移到脑后。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit.
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动。
The family can enter the building from multiple points, and can traverse the courtyard on circular stepping stones to move between rooms positioned around its perimeter.
家庭成员可以通过许多地点进入建筑，可以踩着圆形的脚踏石横穿庭院到达分布在庭院周围的房间。
Circular cylinder is a basic move along a straight line trajectory can be considered as a collection of the same diameter of the circle, if the horizontal section of film, then it is a straight line.
圆筒是基本的圆沿着直线移动的轨迹，可以考虑为相同直径的圆的集合，如果水平放置节片的话它就是直线。
The disadvantage: the stars in dwarf galaxies don't move in tidy circular orbits, traveling in the same direction the way stars in spiral galaxies do.
选择矮行星也有不足：这就是矮行星里的恒星不按照规则的圆形轨道运动，像螺旋星系里的恒星都沿着同一方向运动那样。
Step Five: Clasp your left thumb in your right hand and move thumb in circular motion - then switch thumbs.
第五步：右手握住左手大拇指，右手大拇指在左手手背上打圈，换手再做一次。
The ground is made to move in a circular motion, causing it to rise and fall as visible waves move across the ground.
这种可见波在地表传播时会使地面做圆周运动并引起上下震动。
Some have wondered whether the Banks themselves will buy Huijin's debt, a move that would make the process perfectly circular.
前此曾有人不大相信银行真的会购买汇金的债券，因为这使得整个过程完全成为自我循环。
The cutter is directed to move along each line segment one by one in order to generate the smooth circular path.
切削是沿着每一小线段一个一个的进行以产生光滑曲线路径。
Then move Rayman with the circular button.
然后用方向键移动雷曼。
The Spinner wants to move in a circular path under the larger destabilizing magnet. That is in part why the cones Wobble.
在旋转想搬到一个圆形路径下更大的破坏磁铁。这是部分原因锥摆动。
The ejection mechanism used pin ejector to pull the plastic parts out with move slanting slide simultaneously leaving circular arc concave position.
脱模机构采用推杆推出塑件的同时带动斜滑块脱出圆弧形凹位，使脱模机构简单实用。
When he makes a magical gesture, the circular piece begins to move by itself.
当他制造一个不可思议的手势的时候，圆形的块开始到开始独自移动。
This joystick was used to move the cursor, and chase the circular target, on the screen in front of the 'master.
这个操纵杆用来控制屏幕上的光标，以追逐目标绿色圆圈。
This joystick was used to move the cursor, and chase the circular target, on the screen in front of the 'master.
这个操纵杆用来控制屏幕上的光标，以追逐目标绿色圆圈。
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